Measuring the impact of AI on experienced open-source developer productivity

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We conducted a randomized controlled trial to measure the impact of early-2025 AI tools on experienced open-source developers' productivity. The results showed that developers took 19% longer to complete tasks when using AI tools.

Show HN: Pangolin – Open source alternative to Cloudflare Tunnels

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Pangolin is a self-hosted reverse proxy server with identity and access control for secure private resource exposure. It connects isolated networks via encrypted tunnels, enabling easy access to remote services without opening ports.

Grok 4 Launch [video]

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German court rules Meta tracking technology violates European privacy laws

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A German court ruled Meta must pay €5,000 for violating data privacy laws by embedding tracking technology in third-party websites without consent. The ruling sets a precedent for class action lawsuits, potentially exposing Meta to large fines over data privacy violations.

Flix – A powerful effect-oriented programming language

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Grok 4

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Grok 4 is a paid reasoning model with image and text input, text output, and 256,000 context length. It beats other models on most benchmarks, with a competitively priced plan starting at $3/million for input tokens.

Graphical Linear Algebra

Arithmetic and geometry are connected sciences that support each other. A blog discusses their connection and invites readers to subscribe and contribute to translations.

FOKS: Federated Open Key Service

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FOKS is installed on macOS using a prebuilt Cask distribution method through homebrew. Installation involves running a curl command or using apt-get/dnf for subsequent installs.

Show HN: Open source alternative to Perplexity Comet

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BrowserOS is an open-source agentic browser that runs AI agents locally. Your privacy-first alternative to Perplexity Comet.

What is Realtalk’s relationship to AI? (2024)

Realtalk is a computing environment invented by dynamicland researchers. it enables us to prototype 'humane dynamic medium,' says co-founder sanjay gupta jirghwala, dr. niraj kumararajanath yadav, and mrs. jay parikhiranathanayan. the system is made of physical

Is Gemini 2.5 good at bounding boxes?

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Gemini 2.5 Pro object detector matches Yolo V3 from 2018 on MS-COCO val with 0.34 mAP. Large language models like Gemini show versatility in computer vision tasks, but CNNs remain faster and easier to reason about.

Red Hat Technical Writing Style Guide

This guide is the official style guide for all other technical documentation except as stated. refer to section 3.4.8, "referring to object names" for updated guidance relating to possessives and abbreviations in redhat documentation. repair sentence fragments by making them complete sentences. use a preposition at the end to avoid otherwise awkward wording. in training content, avoid using ...

AI coding tools can reduce productivity

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A recent study found that experienced developers working on mature projects saw a 19% decrease in productivity when using AI coding tools, contradicting anecdotal reports of huge productivity boosts. The study suggests that current AI tools are less useful for experienced developers working on complex codebases, but may be more beneficial for less-experienced developers or in specific tasks ...

Andrew Ng: Building Faster with AI [video]

Underwater turbine spinning for 6 years off Scotland's coast is a breakthrough

A Virginia public library is fighting off a takeover by private equity

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The Samuels Public Library in Virginia successfully fought off a takeover by a private equity group after community support and funding cuts. The library, founded in 1799, now faces uncertain funding after local officials withheld annual funding citing poor management.

Show HN: Cactus – Ollama for Smartphones

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Cactus supports various models from FP32 to 2-bit quantized for efficiency and less device strain. It provides tools for AI tasks like reminders, gallery search, and message replies.

How to prove false statements: Practical attacks on Fiat-Shamir

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Researchers have found a method to trick proof systems into certifying false statements using hash functions. This attack affects blockchains and other cryptographic applications that rely on the Fiat-Shamir transformation.

Matt Trout has died

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Matt S. Trout, co-founder of Shadowcat Systems, has passed away at 42 after a battle with health. He took a sabbatical from work and projects due to his health issues.

Show HN: Typeform was too expensive so I built my own forms

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Ikiform is an open-source form builder like Typeform and Google Forms, offering AI-powered form creation and simple pricing. It helps create beautiful, interactive forms easily with features like rate limiting and content filtering.

Kite News

Kite BETA News. Elevated.

Seven Engineers Suspended After $2.3M Bridge Includes 90-Degree Turn

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A $2.3 million bridge in Bhopal, India, has a 90-degree turn, prompting the suspension of 7 engineers and blacklisting of construction firms. The bridge was meant to ease traffic congestion but has become a cautionary tale of bureaucratic infighting and design compromise.

Final report on Alaska Airlines Flight 1282 in-flight exit door plug separation

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A Boeing 737-9 experienced in-flight separation of a door plug, causing depressurization and injuries to 8 people. The probable cause was Boeing's inadequate training and oversight.

Diffsitter – A Tree-sitter based AST difftool to get meaningful semantic diffs

https://camo.githubusercontent.com/d7e7dc740e1d944a9a80e1b7220ba62784865234d138d98c720e5bcbc56668b4/68747470733a2f2f61736369696e656d612e6f72672f612f6a6f4549665038586f7855685a4b584571554438434550376a2e737667
diffsitter is a work in progress tool that creates semantically meaningful diffs by computing on the AST of a file. It uses tree-sitter parsers and supports languages supported by tree-sitter.

Turkey bans Grok over Erdoğan insults

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Turkey's president seeks a deal with Kurds for a political lifeline amid waning support. Arrested Istanbul mayor Ekrem İmamoğlu is booted out, sparking mass protests against Turkey's president.

Optimizing a Math Expression Parser in Rust

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The author optimized a Rust math expression parser to run in under 1 second by eliminating unnecessary allocations, processing bytes directly, parallelizing work, and optimizing file I/O. The final optimization used memory-mapped files, which allowed the operating system to efficiently map the file into process memory, resulting in a time reduction from 43 seconds to 0.98 seconds.

Orwell Diaries 1938-1942

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David Astor, a Royal Marine, describes the Dieppe raid as a failure with heavy Allied losses, except for destroying 270 German planes. He believes the raid proves an invasion of Europe is impossible due to strong German defenses.

U.S. will review social media for foreign student visa applications

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The US State Department will resume processing student visas but will review applicants' social media accounts for potential threats to national security. Foreign students must make their social media profiles public to avoid visa rejection.

An open letter from educators who refuse the call to adopt GenAI in education

We reject GenAI adoption in schools and colleges due to its corrosive effects on agency, ethics, and environment. We pledge to uphold commitments that prioritize student learning, wellbeing, and academic integrity over corporate interests and technology.

At last, a use case for AI agents with sky-high ROI: Stealing crypto

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Researchers at UCL and USYD developed AI agent A1 to autonomously discover and exploit vulnerabilities in smart contracts, achieving a 62.96% success rate. A1 can generate executable code and has the potential to earn more from exploits than its operating costs, but raises concerns about the 10x asymmetry between attacker and defender rewards.

Belkin ending support for older Wemo products

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Wemo will end technical support for older products on January 31, 2026, affecting cloud connectivity features. Devices configured with Apple HomeKit will continue to function.

Executed Chinese prisoners likely used in UK exhibition (2021)

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Cadavers in the 'Real Bodies' exhibition in Birmingham may have been executed Chinese political prisoners. The exhibition's US organizers could not provide evidence of consent for the use of these cadavers.

Millions of Cars Exposed to Remote Hacking via PerfektBlue Attack

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Researchers at PCA Cyber Security discovered critical Bluetooth vulnerabilities that can remotely hack millions of cars, allowing attackers to track vehicles, record audio, and potentially control functions. The PerfektBlue attack can be exploited with a single user click and affects recent infotainment models from Mercedes-Benz, Skoda, and Volkswagen.

The FBI Is Using Polygraphs to Test Officials' Loyalty

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US utilities plot big rise in electricity rates as data centre demand booms

https://www.ft.com/__origami/service/image/v2/images/raw/https%3A%2F%2Fd1e00ek4ebabms.cloudfront.net%2Fproduction%2F73ffddc7-6c0d-4f7d-8c5c-84fc6770ccb7.jpg?source=next-barrier-page
Complete digital access to quality FT journalism with expert analysis from industry leaders. Pay a year upfront and save 20%.

eBPF: Connecting with Container Runtimes

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The Container Runtime Interface (CRI) connects to Container Runtime (CR) for Kubernetes awareness, providing rich information for various use-cases. It iterates over paths like /var/run or /run to establish a connection and return the corresponding service.

Retail cyber attacks: NCA arrest four for attacks on M&S, Co-op and Harrods

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Four people, aged 17 to 20, were arrested in the UK for cyber attacks on M&S, Co-op, and Harrods. They remain in custody for questioning over Computer Misuse Act offences and organised crime.

Launch HN: Leaping (YC W25) – Self-Improving Voice AI

Leaping AI offers a voice AI platform that allows for easier testing and improvement of voice agents through a multi-stage, graph-like format. The platform enables self-improvement and A/B testing, making it suitable for large, sensitive use cases such as customer support and lead pre-qualification.

Show HN: I built a playground to showcase what Flux Kontext is good at

https://fluxkontextlab.com/_next/image?url=%2Fpages%2Fhome%2Fshowcase%2F1%2F0.webp&w=3840&q=75
Flux Kontext Dev is an AI-driven image editing tool that transforms user visions into reality. It uses the FLUX.1 Kontext [dev] model for professional-grade results with precise local and global edits.

EU rules ask tech giants to publicly track how, when AI models go off the rails

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The EU has published a code of practice for AI companies to prepare for the landmark AI Act, focusing on transparency, copyright protections, and public safety. The rules will initially be voluntary but will become mandatory in 2026, with companies that comply potentially benefiting from reduced administrative burdens.

El Salvador Tells UN That US Has "Exclusive" Jurisdiction over Detainees

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The US DOJ has been lying to US courts about its jurisdiction over people renditioned to El Salvador, claiming no control when the country's government says the US has exclusive jurisdiction. The DOJ concealed evidence that contradicts its core legal argument, showing the US has control over these individuals.

Could a Paper Plane Thrown from the ISS Survive the Flight?

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Researchers from the University of Tokyo simulated and tested a paper airplane's reentry into Earth's atmosphere. The results showed the plane would rapidly slow down and experience uncontrollable tumbling due to air resistance.

Magic .env files built for sharing: Human-first, AI-friendly

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varlock is a declarative config schema tool that replaces dotenv with validation and security. It surfaces misconfiguration errors early with clear messages.

Your Prize for Saving Time at Work with AI: More Work

Artificial intelligence is expected to save us time, but the reward may be more work. Businesses may benefit from increased productivity, not employees.

AI is turning Apple into a "loser"

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Apple stock is down 15% this year due to concerns about its ability to compete in AI and weather tariff policy. Analysts say Apple needs to acquire AI companies or redefine itself to stay competitive.

Working with the UK Government to Protect Children Online

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Bluesky is updating its UK platform to comply with the Online Safety Act, offering users age verification options through Epic Games' Kids Web Services. Users under 18 or who opt out will have restricted access to content and features.

YouTube prepares crackdown on mass-produced videos as concern over AI slop grows

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YouTube is updating its monetization policies to better identify mass-produced or repetitive content, which has been ineligible for monetization. The update aims to combat AI-generated content, known as "AI slop," that can damage YouTube's reputation and value.

Large-scale DNA study maps 37,000 years of human disease history

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A new study found that zoonotic diseases spread in Eurasia around 6,500 years ago due to close cohabitation with domesticated animals. The study detected the world's oldest genetic trace of the plague bacterium, Yersinia pestis, in a 5,500-year-old sample.

Show HN: asyncmcp – Run MCP over async transport via AWS SNS+SQS

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asyncmcp supports async transport layers for MCP clients and servers beyond stdio and Streamable Http transports. It allows MCP servers to direct requests to internal queues for processing without immediate response.

Browser extensions turn nearly 1M browsers into website-scraping bots

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Extensions with 909,000 downloads have been scraping websites on behalf of advertisers, compromising user privacy and security. The MellowTel library, used by these extensions, weakens web browsing security and allows unknown sites to be accessed without user consent.

PEP 779: Free-threaded Python is officially supported

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Support for reading and writing zstandard compressed archives has been added. urllib.parse: accepting objects with false values (like 0 and []) is now deprecated. the default process pool executor start method has changed to forkserver if the listener is already started. on windows, zlib-ng is used as the implementation of the xlib module. this will stop the cache from growing without limits ...

Millions of tonnes of nanoplastics are polluting the ocean

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Researchers found nanoplastics in the North Atlantic Ocean, with 18 milligrams per cubic meter detected at three depths. This tiny plastic pollution makes up the dominant fraction of marine plastic pollution, with 27 million tonnes spread across the top layer of the temperate to subtropical North Atlantic.

Bitchat - P2P Chat on Bluetooth (no Internet, phone number, etc.)

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The app has security concerns with private messaging and channels, but public local chat is secure. It's a decentralized, peer-to-peer messaging app using Bluetooth mesh networks, no internet required.

OpenAI to release web browser in challenge to Google Chrome

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OpenAI is releasing an AI-powered web browser to challenge Google Chrome, using artificial intelligence to change how consumers browse the web. The browser will give OpenAI direct access to user data, potentially putting pressure on Google's ad business.

AI Can't Take over Soon Enough for Me

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The user is cynical about politics and religion, believing they prioritize personal gain over the greater good, and thinks humanity is on the verge of collapse. They question whether an AI-run world would solve problems, but think it might not be any worse, and have explored this idea in their sci-fi book series.

Optical and Acoustic Super-Radiance via a Microtubule (2024)

Exploiting a 20 years old NTFS Vulnerability

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Ntfs implementation is old complex and not very well audited by independent researchers. exploit is based on stealing tokens from a virtual disk and overwriting them with arbitrary data if the target is not able to read or write to the filesystem's restart area. the exploit works on both ntfs and vmware systems and can be used on any system that is vulnerable to this attack. i will show you how to

A lightweight Cloudflare Dynamic DNS shell script

https://opengraph.githubassets.com/863567460af0266084212d52b6d02aa65e13c43b76f27f8429935c89ed55a896/fernvenue/cloudflare-ddns
The script logs DNS updates to a CSV file for history tracking and analysis. It can be run with various options to update Cloudflare DNS records and send updates via Telegram.

What's your AI development path?

When building AI-powered apps, start simple with OpenAI playground and SDK, and focus on iterative approach to deal with LLM stochastic nature. Most startups are not doing unique things, but rather applying AI to existing concepts, and VCs are investing in these startups to promote LLM adoption and phase out SaaS.